2022
Whole‐exome DNA sequencing in childhood anxiety disorders identifies rare de novo damaging coding variants
Olfson E, Lebowitz ER, Hommel G, Pashankar N, Silverman WK, Fernandez TV. Whole‐exome DNA sequencing in childhood anxiety disorders identifies rare de novo damaging coding variants. Depression And Anxiety 2022, 39: 474-484. PMID: 35312124, PMCID: PMC9246845, DOI: 10.1002/da.23251.Peer-Reviewed Original ResearchConceptsWhole-exome DNA sequencingRisk genesDNA sequencingCanonical biological pathwaysMissense genetic variantsNovo variantsGenetic variant detectionParent-child triosGenomic approachesDe novo variantsLikely geneBiologic pathwaysDeleterious variantsBiological pathwaysDamaging variantsGenesGenetic variantsPathwayVariant detectionSequencingNetwork analysisGenetic factorsUnderlying biologyVariantsEnrichment
2021
Whole-exome sequencing identifies genes associated with Tourette’s disorder in multiplex families
Cao X, Zhang Y, Abdulkadir M, Deng L, Fernandez TV, Garcia-Delgar B, Hagstrøm J, Hoekstra PJ, King RA, Koesterich J, Kuperman S, Morer A, Nasello C, Plessen KJ, Thackray JK, Zhou L, Dietrich A, Tischfield J, Heiman G, Xing J. Whole-exome sequencing identifies genes associated with Tourette’s disorder in multiplex families. Molecular Psychiatry 2021, 26: 6937-6951. PMID: 33837273, PMCID: PMC8501157, DOI: 10.1038/s41380-021-01094-1.Peer-Reviewed Original ResearchConceptsCandidate genesProtein-protein interaction networkGene ontology categoriesHigh-throughput sequencingStrong candidate geneCandidate gene expressionFamily member 1Heritable neurodevelopmental disorderIdentifies genesNovel genesOntology categoriesNeurodevelopmental disordersMultiplex familiesInteraction networksPolygenic natureBiological insightsGene expressionFunction predictionWhole-exome sequencingGenesGenetic variantsSegregation patternsGenetic heterogeneitySegregation informationMember 1
2020
Empiric Recurrence Risk Estimates for Chronic Tic Disorders: Implications for Genetic Counseling
Heiman GA, Rispoli J, Seymour C, Leckman JF, King RA, Fernandez TV. Empiric Recurrence Risk Estimates for Chronic Tic Disorders: Implications for Genetic Counseling. Frontiers In Neurology 2020, 11: 770. PMID: 32849224, PMCID: PMC7432137, DOI: 10.3389/fneur.2020.00770.Peer-Reviewed Original ResearchChronic tic disorderRecurrence risk estimatesTic disordersRecurrence riskTourette's disorderRisk estimatesNeuropsychiatric disordersPopulation-based family studyGenetic counselingFirst-degree relativesQuality of lifeFamily studiesVocal ticsPopulation prevalenceFamilial recurrence riskSuch counselingGenetic testingDisordersRiskCounselingEmpiric recurrence riskGenetic variantsRange of risksHeterogeneous genetic architectureComorbidities
2019
Interrogating the Genetic Determinants of Tourette’s Syndrome and Other Tic Disorders Through Genome-Wide Association Studies
Yu D, Sul JH, Tsetsos F, Nawaz MS, Huang AY, Zelaya I, Illmann C, Osiecki L, Darrow SM, Hirschtritt ME, Greenberg E, Muller-Vahl KR, Stuhrmann M, Dion Y, Rouleau G, Aschauer H, Stamenkovic M, Schlögelhofer M, Sandor P, Barr CL, Grados M, Singer HS, Nöthen MM, Hebebrand J, Hinney A, King RA, Fernandez TV, Barta C, Tarnok Z, Nagy P, Depienne C, Worbe Y, Hartmann A, Budman CL, Rizzo R, Lyon GJ, McMahon WM, Batterson JR, Cath DC, Malaty IA, Okun MS, Berlin C, Woods DW, Lee PC, Jankovic J, Robertson MM, Gilbert DL, Brown LW, Coffey BJ, Dietrich A, Hoekstra PJ, Kuperman S, Zinner SH, Luðvigsson P, Sæmundsen E, Thorarensen Ó, Atzmon G, Barzilai N, Wagner M, Moessner R, Ophoff R, Pato CN, Pato MT, Knowles JA, Roffman JL, Smoller JW, Buckner RL, Willsey AJ, Tischfield JA, Heiman GA, Stefansson H, Stefansson K, Posthuma D, Cox NJ, Pauls DL, Freimer NB, Neale BM, Davis LK, Paschou P, Coppola G, Mathews CA, Scharf JM. Interrogating the Genetic Determinants of Tourette’s Syndrome and Other Tic Disorders Through Genome-Wide Association Studies. American Journal Of Psychiatry 2019, 176: 217-227. PMID: 30818990, PMCID: PMC6677250, DOI: 10.1176/appi.ajp.2018.18070857.Peer-Reviewed Original ResearchConceptsGenome-wide association study approachGenome-wide significant lociGenome-wide association studiesGene-based associationGene-based analysisPolygenic risk scoresGenetic architectureSignificant lociEnrichment analysisGene expressionTop lociGenetic levelAssociation studiesSyndrome pathogenesisGenetic determinantsChromosome 13Genetic variantsGWASGenetic etiologyIndependent population-based samplesLociFundamental mechanismsGenesVariantsHeritability
2018
Chapter 23 Tourette disorder and other tic disorders
Fernandez TV, State MW, Pittenger C. Chapter 23 Tourette disorder and other tic disorders. Handbook Of Clinical Neurology 2018, 147: 343-354. PMID: 29325623, DOI: 10.1016/b978-0-444-63233-3.00023-3.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsAssociation studiesLarge-effect variantsCandidate gene association studiesGene association studiesGenomewide association studiesSubstantial genetic contributionMultiple genesDevelopmental neuropsychiatric conditionsComplex neuropsychiatric disorderGenetic variantsGenetic contributionRare mutationsTic disordersGenomewide significanceTourette's disorderGenesEnvironmental factorsAccumulated evidenceLarge patient cohortPatient cohortMotor ticsInadequate sample sizePositive findingsNeuropsychiatric conditionsNeuropsychiatric disordersChapter 49 Genetic susceptibility in obsessive-compulsive disorder
Fernandez TV, Leckman JF, Pittenger C. Chapter 49 Genetic susceptibility in obsessive-compulsive disorder. Handbook Of Clinical Neurology 2018, 148: 767-781. PMID: 29478613, DOI: 10.1016/b978-0-444-64076-5.00049-1.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsObsessive-compulsive disorderPotential novel therapeutic avenuesNovel therapeutic avenuesSpecific risk allelesUnderlying pathophysiologyLarge cohortLifelong disabilityImmune pathwaysTherapeutic avenuesNew treatmentsGenetic susceptibilityRisk allelesCandidate gene association studiesMouse knockout modelsGenetic findingsGene association studiesKnockout modelsOCD pathologyRisk variantsNotable inroadsGenetic variantsDisordersVulnerable pathwaysSubstantial genetic contributionRepetitive behaviors
2015
Genetics of Tourette Syndrome
Lennington J, Coppola G, Fernandez T. Genetics of Tourette Syndrome. 2015, 169-189. DOI: 10.1007/978-3-319-17223-1_9.ChaptersGene networksBiological pathwaysGenetic variantsStructural genetic variantsTranscriptomic variationReplication of associationBioinformatics analysisRecent profilingSubstantial genetic contributionMultiple genesCandidate genesGene expressionComplex neuropsychiatric disorderGenesGenetic contributionRare mutationsGenetic etiologyStructural variationsPathwayRare sequencesEnvironmental factorsNeuropsychiatric disordersDevelopmental neuropsychiatric disordersTS casesGenetics
2014
Modeling non-syndromic autism and the impact of TRPC6 disruption in human neurons
Griesi-Oliveira K, Acab A, Gupta AR, Sunaga DY, Chailangkarn T, Nicol X, Nunez Y, Walker MF, Murdoch JD, Sanders SJ, Fernandez TV, Ji W, Lifton RP, Vadasz E, Dietrich A, Pradhan D, Song H, Ming GL, Gu X, Haddad G, Marchetto MC, Spitzer N, Passos-Bueno MR, State MW, Muotri AR. Modeling non-syndromic autism and the impact of TRPC6 disruption in human neurons. Molecular Psychiatry 2014, 20: 1350-1365. PMID: 25385366, PMCID: PMC4427554, DOI: 10.1038/mp.2014.141.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Combined Chemotherapy ProtocolsAutistic DisorderCarboplatinCell DifferentiationCell LineCell ProliferationCells, CulturedChildDisease Models, AnimalEmbryo, MammalianEtoposideGene Expression RegulationHumansIn Vitro TechniquesInduced Pluripotent Stem CellsInhibitory Postsynaptic PotentialsMaleMiceMice, Inbred C57BLMice, TransgenicMitoxantroneMutationNeuronsPrednisoloneSignal TransductionTRPC Cation ChannelsTRPC6 Cation ChannelConceptsHuman neuronsPluripotent stem cellsNon-syndromic autismMethyl-CpGNeuronal developmentNonsynonymous mutationsDental pulp cellsFunction mutationsHaploinsufficiency leadsFunctional studiesNeuronal cellsNeuronal phenotypeGenetic variantsStem cellsFactor 1Cation channelsNon-syndromic autism spectrum disorderInsulin-like growth factor-1Incomplete penetranceMutationsRett syndromeSuch variantsAutism spectrum disorderPulp cellsGrowth factor-1Transcriptome Analysis of the Human Striatum in Tourette Syndrome
Lennington JB, Coppola G, Kataoka-Sasaki Y, Fernandez TV, Palejev D, Li Y, Huttner A, Pletikos M, Sestan N, Leckman JF, Vaccarino FM. Transcriptome Analysis of the Human Striatum in Tourette Syndrome. Biological Psychiatry 2014, 79: 372-382. PMID: 25199956, PMCID: PMC4305353, DOI: 10.1016/j.biopsych.2014.07.018.Peer-Reviewed Original ResearchConceptsCopy number variantsGenome-wide association studiesGene coexpression modulesNumber variantsGene network analysisCommon genetic variantsCoexpression modulesUpregulated genesMetabolism modulesImmune-related genesNetwork analysisAssociation studiesDifferential expressionUpregulated modulesGenetic variantsGenesPatient's striatumTS individualsTranscriptomeVariantsMetabolic alterationsSame regionGamma-aminobutyric acidergic interneuronsTranscriptsRNAThe Tourette International Collaborative Genetics (TIC Genetics) study, finding the genes causing Tourette syndrome: objectives and methods
Dietrich A, Fernandez TV, King RA, State MW, Tischfield JA, Hoekstra PJ, Heiman GA, the TIC Genetics Collaborative Group. The Tourette International Collaborative Genetics (TIC Genetics) study, finding the genes causing Tourette syndrome: objectives and methods. European Child & Adolescent Psychiatry 2014, 24: 141-151. PMID: 24771252, PMCID: PMC4209328, DOI: 10.1007/s00787-014-0543-x.Peer-Reviewed Original ResearchConceptsGenetic studiesSimilar genetic architectureGene discovery effortsMultiply affected pedigreesSingle major geneParent-child triosGenetic architectureMultigenic inheritanceDe novo mutationsMajor geneGenomic researchCollaborative Genetics StudyAffected pedigreesDiscovery effortsGenetic variantsGenetic contributionGenetics ConsortiumNovo mutationsGenesRare variantsBroader scientific communityGenetic riskRecent progressGeneticsVariants
2013
Gene variants associated with antisocial behaviour: a latent variable approach
Bentley MJ, Lin H, Fernandez TV, Lee M, Yrigollen CM, Pakstis AJ, Katsovich L, Olds DL, Grigorenko EL, Leckman JF. Gene variants associated with antisocial behaviour: a latent variable approach. Journal Of Child Psychology And Psychiatry 2013, 54: 1074-1085. PMID: 23822756, PMCID: PMC3766409, DOI: 10.1111/jcpp.12109.Peer-Reviewed Original ResearchConceptsRisk allelesGenetic risk allelesSingle nucleotide polymorphismsGene variantsNurse home visitation programAge 15 yearsStress response pathwaysCholinergic signalingDrug useCommon genetic variantsPutative risk allelesAntisocial behaviorVariable scoresResponse pathwaysGenetic polymorphismsVisitation programMolecular networksPathway analysisStress responseGenesGenetic variablesMolecular levelGenetic variants